Graphic Organizer/Worksheet


Students cut a parallellogram and then tape it to form a trapezoid. They then answer a series of questions which enable them to discover the area of a trapezoid.


  • Mathematics > General
  • Mathematics > Geometry
  • Mathematics > Measurement
  • Mathematics > Problem Solving

Education Levels:

  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


geometry measurement coordinate conjecture pythagorean theorum trapezoid triangle triangles



Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution 3.0


Update Standards?

S2486832: Texas Essential Knowledge and Skills for Mathematics

determine solutions for problems involving the area of rectangles, parallelograms, trapezoids, and triangles and volume of right rectangular prisms where dimensions are positive rational numbers.
Curriki Rating
On a scale of 0 to 3
On a scale of 0 to 3

This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3, as of 2009-07-03.

Component Ratings:

Technical Completeness: 2
Content Accuracy: 3
Appropriate Pedagogy: 3

Reviewer Comments:

This lesson presents an interesting alternative method of finding the area of a trapezoid, using scissors and tape. Some students will learn better than with a construction proof. The lesson has some extraneous elements in it and would be improved by removing them.

Not Rated Yet.

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